{"id":"CVE-2023-47858","details":"Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/\u003cteam-id\u003e/channels/deleted endpoint.\n\n","aliases":["BIT-mattermost-2023-47858","GHSA-w88v-pjr8-cmv2","GO-2024-2450"],"modified":"2026-04-09T09:43:09.499064Z","published":"2024-01-02T10:15:08.117Z","related":["CGA-8q9w-c43q-6cw6"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"77aeda5cedc8ef60d06da024202b8c7999efd671"},{"introduced":"987e843629fe3f11861fda23ceb66884f5973ef1"},{"fixed":"9ccda46b85770d6c9af366893cbd3234f77489b8"},{"introduced":"5934ff113becf755beb978cc7bd1ba6564cbbdd6"},{"fixed":"6494fc712419d34ea44c8887981a7554e25c1eb6"},{"introduced":"b47be1c0f5787562ddf430dd5c5b8b3c35748b06"},{"fixed":"9e52296cfb7c8eaf0b24e39a2ecea4bf58facd60"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"8.1.7"},{"introduced":"9.0.0"},{"fixed":"9.0.5"},{"introduced":"9.1.0"},{"fixed":"9.1.4"},{"introduced":"9.2.0"},{"fixed":"9.2.3"}]}}],"versions":["@mattermost/client@8.1.1","@mattermost/client@9.0.0","@mattermost/client@9.1.0","@mattermost/client@9.2.0","@mattermost/types@8.1.1","@mattermost/types@9.0.0","@mattermost/types@9.1.0","@mattermost/types@9.2.0","cloud-2022-07-20-1","cloud-2022-08-10-1","cloud-2022-09-08-1","cloud-2022-10-06-1","cloud-2022-11-11-1","cloud-2022-11-24-1","cloud-2023-07-26-1","server/public/v0.0.5","v0.5.0","v4.10.0-rc1","v4.2.0-rc1","v4.3.0-rc1","v4.4.0-rc1","v4.5.0-rc1","v4.6.0-rc1","v4.6.0-rc2","v4.7.0-rc1","v4.8.0-rc1","v4.9.0-rc1","v5.0.0-rc1","v5.1.0-rc1","v5.2.0-rc1","v5.2.0-rc2","v8.1.0","v8.1.0-rc2","v8.1.1","v8.1.1-rc1","v8.1.1-rc2","v8.1.2","v8.1.2-rc1","v8.1.2-rc2","v8.1.3","v8.1.3-rc1","v8.1.3-rc2","v8.1.4","v8.1.4-rc1","v8.1.4-rc2","v8.1.5","v8.1.5-rc1","v8.1.5-rc2","v8.1.6","v8.1.6-rc1","v8.1.7-rc1","v8.1.7-rc2","v9.0.0","v9.0.0-rc2","v9.0.1","v9.0.1-rc1","v9.0.2","v9.0.2-rc1","v9.0.3","v9.0.3-rc1","v9.0.4","v9.0.4-rc1","v9.1.0","v9.1.0-rc2","v9.1.1","v9.1.1-rc1","v9.1.2","v9.1.2-rc1","v9.1.3","v9.1.3-rc1","v9.2.0","v9.2.0-rc2","v9.2.1","v9.2.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-47858.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}